How science saved the ozone layer: The story behind the Montreal Protocol
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How science saved the ozone layer: The story behind the Montreal Pro…
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Ozone layer is healing thanks to 'growing evidence' the Montreal Protocol works
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The reveal of chlorofluorocarbons' (CFCs) potential to destroy the ozone layer in the Earth’s stratosphere was a life-changing discovery. In 1974, atmospheric chemist and 1995 chemistry laureate Mario Molina and his co-laureate Sherwood Rowland demonstrated that CFC gases, freons, have a damaging effect on ozone in the atmosphere. Freons had many uses, including propellants in spray cans and refrigerants in refrigerators. By limiting the use of freons, the depletion of the ozone layer was slowed
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Preserving the Ozone Layer | United Nations
Preserving the Ozone Layer | United Nations
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un.org
Thanks to a global phaseout of ozone-depleting chemicals outlined in the Montreal Protocol, the ozone layer is on track to recover within four decades. Ozone action has set a precedent for climate action and is expected to avoid 0.5°C of warming by 2100. https://bit.ly/3QqBbfu | UN Environment Programme
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